Some creatures blend in by sticking out. Learn more about glass frogs and the special way they hide their blood.

Subterranean frogs exist, but none are as unique as the Indian purple frog. Learn about this underground and elusive frog ...

A photograph shared online genuinely shows an exceptionally large tadpole roughly the size of a soda can or human hand. Rating: A photograph of a giant, green-and-yellow tadpole longer than a human ...

How a Tadpole Becomes a Frog The dramatic changes of the process are stimulated by thyroid hormone. The level of hormone is regulated by a feedback system involving the hypothalamus of the brain ...